Disable the "SIM cards" tile in new Network & internet page

When settings_network_and_internet_v2 is enabled, don't show the old
"SIM cards" tile for managing multiple SIM cards on the Network &
internet page, since we now have new UI for this.

Bug: 116349402
Test: manual (put device into dual-sim dual-standby mode, and enable the
'settings_network_and_internet_v2' flag in the FeatureFlags section of
Developer options)

Change-Id: Icc0d723b634f15ad831e38b783ae226a7717f674
diff --git a/src/com/android/settings/Utils.java b/src/com/android/settings/Utils.java
index 69b8c56..a93fb76 100644
--- a/src/com/android/settings/Utils.java
+++ b/src/com/android/settings/Utils.java
@@ -98,6 +98,8 @@
 import com.android.internal.app.UnlaunchableAppActivity;
 import com.android.internal.util.ArrayUtils;
 import com.android.internal.widget.LockPatternUtils;
+import com.android.settings.core.FeatureFlags;
+import com.android.settings.development.featureflags.FeatureFlagPersistent;
 import com.android.settings.password.ChooseLockSettingsHelper;
 
 import java.net.InetAddress;
@@ -513,6 +515,9 @@
      * TODO: See bug 16533525.
      */
     public static boolean showSimCardTile(Context context) {
+        if (FeatureFlagPersistent.isEnabled(context, FeatureFlags.NETWORK_INTERNET_V2)) {
+            return false;
+        }
         final TelephonyManager tm =
                 (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);